function getBookChapterContent(chapterContentId){
    $.get("/system/ebook/chapter/getContentById", {"contentId": chapterContentId}, function (r) {
        if (r.code === 200) {

            var content = r.msg.content;
            document.getElementById('formInputContentId').value = content.id;
            if(content.content == null || content.content == "")
            {
                chapterContentCKEditor.setData("");
            }else{
                chapterContentCKEditor.setData(content.content);
            }


        } else {
            $Jtk.n_danger(r.msg);
        }
    });

}